Cruel Fleshscape

Cruel Fleshscape enters the battlefield tapped.
{t}: Add {u}, {b}, or {r}.
{2}{b}{u/r}{u/r}: Until end of turn, Cruel Fleshscape
becomes a 4/2 blue, black, and red Zombie
creature with "Whenever this creature attacks,
each player sacrifices a creature." It's still a land.